, the horror is at an elementary school. this is msnbc's live coverage of the shooting in newtown, connecticut. the first call for help came just after 9:30. >> the school shooting at an elementary school in fairfield county, connecticut. >> reporter: it is a small town, holiday lights are up everywhere. >> a young man wearing black. >> he entered the school, he was wearing all black. >> armed with at least two weapons, carrying two handguns and hundreds of rounds of ammunition. >> and we are told opened fire, killing 20 children. >> 20 small children and several adults. >> we'll leave no stone unturned as we look at every facet of this investigation. >> this is one of the worst school shootings in u.s. history. >> they had their entire lives ahead of them. birthdays, graduations, weddings. kids of their own. we are praying for them. that the love they felt for those they lost endures not only just in their memories, but in ours. >> reporter: good evening, i'm chris jansing. and in the volunteer fire department behind me there was supposed to be a christmas tree sale tonight. instead, they're